Sentences with phrase «previous warm periods»

Scientists are learning about how previous warm periods altered sea levels, and what that past may tell us about the future.

As the authors of this paper note, declines in the polar bear population likely recurred through previous warming periods, leading to bottlenecks, including the one that likely preceded the hybridization event with grizzly bears.

Moreover, the government climate change fearmongers finally discovered that the Earth has been the site of previous warming periods, all without any help from humanity.

They suggest that during previous warm periods — one about 120,000 years ago and another about 10,000 years ago — the Middle East saw severe drought, with rainfall decreasing to at least half of what it typically is today, and at its worst drying up by 80 percent, Columbia University explained in a statement.

The rest of the stations (70 %) don't or just reach the temperatures of the previous warm period.

«Near the end of the previous warm period (Late - Eemian) when the sea level was +5 to +9 meters higher than today, persistent long period long wavelength waves 30 meters high battered the Bahamas coastline.

A previous warm period about 130,00 years ago, is the Eemian — sea level 5 - 9 meters higher than today, and enormous storms, not seen in the Holocene.

In previous warm periods, it was not a CO ₂ spike that kickstarted the warming, but small and predictable wobbles in Earth's rotation and orbit around the Sun.

There was one cooling back during the previous warm period about 122,000 years ago that lasted for a dozen centuries before rewarming finally occurred.

Tony I don't know why I didn't do the research into what the literature says about those previous warm periods until recently but when I saw how many peer reviewed papers mentioned them I was floored.

length of the previous warming period)?

Looking back to the smoothed peak of the previous warm period 60 or so years ago... we've only had about.4 C of warming.

More importantly, the previous warm periods can not be due to human CO2 as the IPCC claims for current temperatures.

The previous warm periods (Medieval, Roman and Minoan) likely had the same natural origin as the present one.

The layers from the previous warm period were down near bedrock, distorted by ice flow, and here the two groups» cores gave divergent results.

There is no evidence of the Gulf Stream stopping during the previous warmer periods, yet melting of the Greenland ice cap was occurring.

I wonder, have you put that level of effort into seeing if the hockey stick graph is accurate (I mean, other than its deliberate disregard of previous warming periods)?

During the previous warm period between ice ages, there was no ice at the North Pole and the ocean was 15 ft. (5 m) higher.

In cold periods, the methane concentration was typically between 0.3 and 0.4 parts per million, whereas in previous warm periods it was 0.6 — 0.7 ppm.